[oe-commits] Frans Meulenbroeks : linux-omap_2.6.29: added ehci patch
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git at amethyst.openembedded.net
Thu Apr 2 09:29:05 UTC 2009
Module: openembedded.git
Branch: org.openembedded.dev
Commit: c96829e8598d37bfea21fd68a679188cf5b6c476
URL: http://gitweb.openembedded.net/?p=openembedded.git&a=commit;h=c96829e8598d37bfea21fd68a679188cf5b6c476
Author: Frans Meulenbroeks <fransmeulenbroeks at gmail.com>
Date: Thu Apr 2 11:25:23 2009 +0200
linux-omap_2.6.29: added ehci patch
---
recipes/linux/linux-omap-2.6.29/ehci.patch | 131 ++++++++++++++++++++++++++++
recipes/linux/linux-omap_2.6.29.bb | 4 +-
2 files changed, 133 insertions(+), 2 deletions(-)
diff --git a/recipes/linux/linux-omap-2.6.29/ehci.patch b/recipes/linux/linux-omap-2.6.29/ehci.patch
new file mode 100644
index 0000000..5a8c844
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.29/ehci.patch
@@ -0,0 +1,131 @@
+Index: git/arch/arm/mach-omap2/board-omap3beagle.c
+===================================================================
+--- git.orig/arch/arm/mach-omap2/board-omap3beagle.c
++++ git/arch/arm/mach-omap2/board-omap3beagle.c
+@@ -154,6 +154,7 @@ static int beagle_twl_gpio_setup(struct
+ * power switch and overcurrent detect
+ */
+
++#if 0 /* TODO: This needs to be modified to not rely on u-boot */
+ gpio_request(gpio + 1, "EHCI_nOC");
+ gpio_direction_input(gpio + 1);
+
+@@ -163,7 +164,7 @@ static int beagle_twl_gpio_setup(struct
+
+ /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
+ gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+-
++#endif
+ return 0;
+ }
+
+Index: git/arch/arm/mach-omap2/usb-ehci.c
+===================================================================
+--- git.orig/arch/arm/mach-omap2/usb-ehci.c
++++ git/arch/arm/mach-omap2/usb-ehci.c
+@@ -147,9 +147,11 @@ static void setup_ehci_io_mux(void)
+
+ void __init usb_ehci_init(void)
+ {
++#if 0 /* TODO: Setup Pin IO MUX for EHCI - moved this temporarily to U-boot */
+ /* Setup Pin IO MUX for EHCI */
+ if (cpu_is_omap34xx())
+ setup_ehci_io_mux();
++#endif
+
+ if (platform_device_register(&ehci_device) < 0) {
+ printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n");
+Index: git/drivers/usb/host/ehci-omap.c
+===================================================================
+--- git.orig/drivers/usb/host/ehci-omap.c
++++ git/drivers/usb/host/ehci-omap.c
+@@ -48,16 +48,25 @@
+ * to get the PHY state machine in working state
+ */
+ #define EXTERNAL_PHY_RESET
++#ifdef CONFIG_MACH_OMAP3_BEAGLE
++#define EXT_PHY_RESET_GPIO_PORT2 (147)
++#else
+ #define EXT_PHY_RESET_GPIO_PORT1 (57)
+ #define EXT_PHY_RESET_GPIO_PORT2 (61)
++#endif
+ #define EXT_PHY_RESET_DELAY (10)
+
++#define PHY_STP_PULLUP_ENABLE (0x10)
++#define PHY_STP_PULLUP_DISABLE (0x90)
++
+ /* ISSUE2:
+ * USBHOST supports External charge pump PHYs only
+ * Use the VBUS from Port1 to power VBUS of Port2 externally
+ * So use Port2 as the working ULPI port
+ */
++#ifndef CONFIG_MACH_OMAP3_BEAGLE
+ #define VBUS_INTERNAL_CHARGEPUMP_HACK
++#endif
+
+ #endif /* CONFIG_OMAP_EHCI_PHY_MODE */
+
+@@ -225,14 +234,43 @@ static int omap_start_ehc(struct platfor
+
+ #ifdef EXTERNAL_PHY_RESET
+ /* Refer: ISSUE1 */
++#ifndef CONFIG_MACH_OMAP3_BEAGLE
+ gpio_request(EXT_PHY_RESET_GPIO_PORT1, "USB1 PHY reset");
+ gpio_direction_output(EXT_PHY_RESET_GPIO_PORT1, 0);
++#endif
+ gpio_request(EXT_PHY_RESET_GPIO_PORT2, "USB2 PHY reset");
+ gpio_direction_output(EXT_PHY_RESET_GPIO_PORT2, 0);
++ gpio_set_value(EXT_PHY_RESET_GPIO_PORT2, 0);
+ /* Hold the PHY in RESET for enough time till DIR is high */
+ udelay(EXT_PHY_RESET_DELAY);
+ #endif
+
++ /*
++ * The PHY register 0x7 - Interface Control register is
++ * configured to disable the integrated STP pull-up resistor
++ * used for interface protection.
++ *
++ * May not need to be here.
++ */
++ omap_writel((0x7 << EHCI_INSNREG05_ULPI_REGADD_SHIFT) |/* interface reg */
++ (2 << EHCI_INSNREG05_ULPI_OPSEL_SHIFT) |/* Write */
++ (1 << EHCI_INSNREG05_ULPI_PORTSEL_SHIFT) |/* Port1 */
++ (1 << EHCI_INSNREG05_ULPI_CONTROL_SHIFT) |/* Start */
++ (PHY_STP_PULLUP_DISABLE),
++ EHCI_INSNREG05_ULPI);
++
++ while (!(omap_readl(EHCI_INSNREG05_ULPI) & (1<<EHCI_INSNREG05_ULPI_CONTROL_SHIFT)));
++
++ /* Force PHY to HS */
++ omap_writel((0x4 << EHCI_INSNREG05_ULPI_REGADD_SHIFT) |/* function ctrl */
++ (2 << EHCI_INSNREG05_ULPI_OPSEL_SHIFT) |/* Write */
++ (1 << EHCI_INSNREG05_ULPI_PORTSEL_SHIFT) |/* Port1 */
++ (1 << EHCI_INSNREG05_ULPI_CONTROL_SHIFT) |/* Start */
++ (0x40),
++ EHCI_INSNREG05_ULPI);
++
++ while (!(omap_readl(EHCI_INSNREG05_ULPI) & (1<<EHCI_INSNREG05_ULPI_CONTROL_SHIFT)));
++
+ /* Configure TLL for 60Mhz clk for ULPI */
+ ehci_clocks->usbtll_fck_clk = clk_get(&dev->dev, USBHOST_TLL_FCLK);
+ if (IS_ERR(ehci_clocks->usbtll_fck_clk))
+@@ -307,7 +345,9 @@ static int omap_start_ehc(struct platfor
+ * Hold the PHY in RESET for enough time till PHY is settled and ready
+ */
+ udelay(EXT_PHY_RESET_DELAY);
++#ifndef CONFIG_MACH_OMAP3_BEAGLE
+ gpio_set_value(EXT_PHY_RESET_GPIO_PORT1, 1);
++#endif
+ gpio_set_value(EXT_PHY_RESET_GPIO_PORT2, 1);
+ #endif
+
+@@ -393,7 +433,9 @@ static void omap_stop_ehc(struct platfor
+
+
+ #ifdef EXTERNAL_PHY_RESET
++#ifndef CONFIG_MACH_OMAP3_BEAGLE
+ gpio_free(EXT_PHY_RESET_GPIO_PORT1);
++#endif
+ gpio_free(EXT_PHY_RESET_GPIO_PORT2);
+ #endif
+
diff --git a/recipes/linux/linux-omap_2.6.29.bb b/recipes/linux/linux-omap_2.6.29.bb
index 0138e76..59f97f1 100644
--- a/recipes/linux/linux-omap_2.6.29.bb
+++ b/recipes/linux/linux-omap_2.6.29.bb
@@ -5,12 +5,11 @@ KERNEL_IMAGETYPE = "uImage"
COMPATIBLE_MACHINE = "omap5912osk|omap1710h3|omap2430sdp|omap2420h4|beagleboard|omap3evm|omap3-pandora|overo|omapzoom"
-# This is missing the EHCI patch for beagle
DEFAULT_PREFERENCE = "-1"
SRCREV = "90e758af52ba803cba233fabee81176d99589f09"
-PR = "r4+gitr${SRCREV}"
+PR = "r5+gitr${SRCREV}"
SRC_URI = "git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git;protocol=git \
file://defconfig"
@@ -25,6 +24,7 @@ SRC_URI_append = " \
file://fix-unaligned-access.diff;patch=1 \
file://make-alignment-visible.diff;patch=1 \
file://mmctiming.patch;patch=1 \
+ file://ehci.patch;patch=1 \
"
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